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Diffstat (limited to 'sound/pcmcia/vx/vxp_mixer.c')
-rw-r--r--sound/pcmcia/vx/vxp_mixer.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/sound/pcmcia/vx/vxp_mixer.c b/sound/pcmcia/vx/vxp_mixer.c
index e237f6c2018..bced7b623b1 100644
--- a/sound/pcmcia/vx/vxp_mixer.c
+++ b/sound/pcmcia/vx/vxp_mixer.c
@@ -23,6 +23,7 @@
#include <sound/driver.h>
#include <sound/core.h>
#include <sound/control.h>
+#include <sound/tlv.h>
#include "vxpocket.h"
#define MIC_LEVEL_MIN 0
@@ -63,12 +64,17 @@ static int vx_mic_level_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_v
return 0;
}
+static DECLARE_TLV_DB_SCALE(db_scale_mic, -21, 3, 0);
+
static struct snd_kcontrol_new vx_control_mic_level = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
+ SNDRV_CTL_ELEM_ACCESS_TLV_READ),
.name = "Mic Capture Volume",
.info = vx_mic_level_info,
.get = vx_mic_level_get,
.put = vx_mic_level_put,
+ .tlv = { .p = db_scale_mic },
};
/*